Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

75°F

24°C

Humidity	82%
Wind Speed	Calm
Barometer	29.99 in (1014.3 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	20 Aug 4:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Donaldson Center Airport SC

Today
High: 96 °F
Hot
Tonight
Low: 72 °F
Slight Chance
T-storms
Friday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Friday Night
Low: 69 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 91 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 67 °F
Mostly Clear
Monday
High: 90 °F
Sunny

Detailed Forecast

Today

Mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming south around 6 mph in the afternoon.

Tonight

A 20 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.

Friday

Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 92. Heat index values as high as 102. Light and variable wind becoming east southeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly sunny, with a high near 91. Light and variable wind.

Saturday Night

Mostly clear, with a low around 69.

Sunday

Sunny, with a high near 91.

Sunday Night

Mostly clear, with a low around 67.

Monday

Sunny, with a high near 90.

Monday Night

Mostly clear, with a low around 67.